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91451729000 AWF 1270 ARTHUR MARTIN
Includes: metal flange
Excessive noise due to water hammer caused by lack of pressure absorption
Main reference: AST-00805071
The protective glass of the socket is broken or missing
by pass interno v3v cl roca 125627880 estampado vertical 91451729000 AWF 1270 ARTHUR MARTINThe internal 3 way valve bypass is a cartridge designed for Roca boilers that regulates the water flow in the hydraulic circuit. Its main function is to balance the pressure and allow water circulation when the thermostat closes the outlet to the radiators, preventing overpressure and protecting the boiler pump. What problem does this replacement part solve? The boiler constantly loses pressure due to a defective bypass. Excessive noise in the pump
